18492898 has 16 divisors (see below), whose sum is σ = 28377216. Its totient is φ = 9036400.

The previous prime is 18492883. The next prime is 18492899. The reversal of 18492898 is 89829481.

It is not an unprimeable number, because it can be changed into a prime (18492899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16215 + ... + 17317.

It is an arithmetic number, because the mean of its divisors is an integer number (1773576).

Almost surely, 2^18492898 is an apocalyptic number.

18492898 is a deficient number, since it is larger than the sum of its proper divisors (9884318).

18492898 is a wasteful number, since it uses less digits than its factorization.

18492898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289.

The product of its digits is 331776, while the sum is 49.

The square root of 18492898 is about 4300.3369635413. The cubic root of 18492898 is about 264.4447755699. Note that the first 3 decimals are identical.

The spelling of 18492898 in words is "eighteen million, four hundred ninety-two thousand, eight hundred ninety-eight".